Dec 18 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the U.S. rose by 32 this week to 1,193.
Dec 11 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the U.S. rose by 20 this week to 1,161.
Dec 4 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the U.S. rose by 4 this week to 1,141.
Nov 25 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the U.S. this week has risen by 24 this week to 1,137.
Nov 13 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the U.S. this week has risen by 12 this week to 1,113.
Nov 6 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the U.S. this week has risen by nine this week to 1,078.
Oct 30 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the U.S. this week has risen 21 this week to 1,069.
Oct 23 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the U.S. this week has risen by eight this week to 1,048.
Sep 25 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the U.S. this week has risen by seven to 1,017.
Aug 28 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the U.S. rose by 10 this week to 1009.
Aug 14 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the United States rose by 17 this week to 985.
Jul 17 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the United States rose by 23 this week to 943.
Jul 2 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the United States rose by 11 this week to 928, the third consecutive week for an uptick after months of declines.
Jun 5 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the United States fell by 11 this week to 876, down more than 1,000 from a year ago.
May 29 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the United States fell by one this week to 899, down more than half from a year ago.
May 15 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the United States fell by 18 this week to 900, down more than half from a year ago.
May 8 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the United States fell by 17 this week to 928, down nearly half from a year ago.
Apr 24 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the United States fell by 10 this week to 945, down nearly half from a year ago.
Apr 17 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the United States fell by 30 this week to 975, down nearly half from a year ago.
Apr 3 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the United States rose by four this week to 1,043, the first time this year the weekly count has increased.
Feb 27 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the United States dropped by 57 this week to 1,243.
Sep 26 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the United States dropped by 23 this week to 1,995.
Aug 29 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the United States fell by 18 this week to 2,013.
Dec 7 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the United States rose by five this week to 1,828.
May 12 - By Associated Press
The number of rigs actively exploring for oil and natural gas in the United States this week rose by two to 1,627.